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DOC272.53.80033

User instructions

Gel filled ORP/Redox electrode: Model MTC10101, MTC10103, 
MTC10105, MTC10110, MTC10115 or MTC10130

Safety Information

Precautionary Labels

Read all labels and tags attached to the instrument. Personal injury or damage to the 
instrument could occur if not observed. A symbol, if noted on the instrument, will be included 
with a danger or caution statement in the manual. 

Overview

The MTC101 series is a non-refillable, gel-filled combination oxidation reduction potential 
(ORP/Redox) electrode with a built in temperature sensor. The MTC10101 or MTC10103 
electrode is available with a 1 or 3 meter cable and is intended for laboratory use. The 
MTC10105, MTC10110, MTC10115 or MTC10130 electrode is available with a 5, 10, 15 or 30 
meter cable and is intended for field use. The electrode gives direct measurements of absolute 
mV values in wastewater, drinking water and general applications. 

Specifications

Specifications are subject to change without notice.

Electrical equipment marked with this symbol may not be disposed of in European public disposal systems after 
12 August of 2005. In conformity with European local and national regulations (EU Directive 2002/96/EC), 
European electrical equipment users must now return old or end-of life equipment to the Producer for disposal at no 
charge to the user. 

Note: For return for recycling, please contact the equipment producer or supplier for instructions on how to return 
end-of-life equipment, producer-supplied electrical accessories, and all auxiliary items for proper disposal.

This is the safety alert symbol. Obey all safety messages that follow this symbol to avoid potential injury. If on the 
instrument, refer to the instruction manual for operation or safety information.

Specification

Details

Electrode type

Digital combination electrode with a non-refillable Ag/AgCl reference and a built-in 
temperature sensor

Range

± 1200 mV

Resolution

0.1 mV

Temperature accuracy

± 0.3 ºC (± 0.54 ºF)

Operating temperature range 

0 to 80 °C

Storage temperature range

5 to 40 °C

Junction

Open junction

Reference potential versus 
Standard Hydrogen Electrode

207 mV at 25 ºC

Reference type

Ag/AgCl (3M KCl)

Minimum sample depth

20 mm

Dimensions

Standard: Diameter: 12 mm (0.47 in.), Length: 103 mm(4.056 in.), Total length: 200 mm 
(7.9 in.), Cable length: 1 or 3 meter (3.3 or 9.8 ft). Rugged: Diameter 12 mm (0.47 in.), 
Length: 20 mm (0.78 in.), Total length: 220 mm (8.7 in.), Cable length: 5, 10, 15 or 30 
meter (16.4, 32.8, 49.2, or 98.4 ft).

Cable connection

Digital output and connector compatible with HQd meters

Warranty

Sensor is covered by a 6 month warranty.

Summary of Contents for MTC10101

Page 1: ...EC European electrical equipment users must now return old or end of life equipment to the Producer for disposal at no charge to the user Note For return for recycling please contact the equipment pr...

Page 2: ...int free cloth 4 If the electrode will not be used immediately fill the storage cap halfway with Hach Electrode Storage Solution or 3M KCl and install the cap 5 Install the shroud and locking ring and...

Page 3: ...be must have the correct service life time stamp Set the date and time in the meter before attaching the probe It is not necessary to recalibrate when moving a probe from one HQd meter to another if t...

Page 4: ...er blot dry and place it in the standard solution Make sure that the sample level is above the reference junction 5 Push Read Stir gently The display will show Stabilizing and a progress bar as the pr...

Page 5: ...estion mark until the electrode is recalibrated Recalibrate the electrode to correct the status indicator Calibration on page 3 Measurement Measurement notes Data is stored automatically in the data l...

Page 6: ...nect the electrode to the meter 3 Rinse the electrode with the sample and place the electrode in fresh sample 4 Push Read The display will show Stabilizing and a progress bar as the probe stabilizes i...

Page 7: ...ng many substances in solution A redox titration consists of adding to an unknown sample small increments of a titrant that converts the unknown to a different oxidation state After each addition of t...

Page 8: ...ng the potential after each addition Near the end point when large potential changes appear add increments of 0 1 0 2 mL Continue the titration 3 4 mL past the end point 5 Plot the electrode potential...

Page 9: ...d 1 Unscrew the locking ring and slide the shroud and locking ring off the probe 2 Slide the shroud and locking ring off the probe To install the shroud 1 Place the locking ring on the probe body with...

Page 10: ...ings which cannot be changed A saved method can be used instead of repeatedly adjusting individual settings Changes made to a user defined method are automatically saved with the existing name Multipl...

Page 11: ...V The measurement limits can be set to match the acceptable values for the sample When the measurement is above the upper limit setting or below the lower limit setting the meter will show an Out of l...

Page 12: ...200 0 mV Custom standard value Custom standards are characterized at 25 C Table 4 Calibration options settings Settings Option Description Table 5 Check standard options settings Settings Options Desc...

Page 13: ...sponse time Contaminated reference junctions Rinse reference junction with deionized water thoroughly shake the electrode downward to remove any air bubbles and soak in 3 0 M KCl storage solution for...

Page 14: ...ts Check standard value is outside of limits set in the current method Verify that the standard is within the limits of the current method Create a new method that expands the acceptable limits Measur...

Page 15: ...storage cap lid 1 5829800 Field kit Includes glove kit and 5 120 mL sample cups 1 5825800 Glove kit only for HQd meters 1 5828700 IntelliCAL probe stand for standard probes 1 8506600 Meter stand 1 850...

Page 16: ...insert for meter and two probe storage cavities space for storage of HQd meter with protective glove 1 8505600 Rugged shroud kit 1 5825900 Consumables Electrode cleaning solution 500 mL 2965249 Electr...

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